128373120 has 512 divisors, whose sum is σ = 528768000. Its totient is φ = 29196288.

The previous prime is 128373107. The next prime is 128373181. The reversal of 128373120 is 21373821.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5581429 + ... + 5581451.

It is an arithmetic number, because the mean of its divisors is an integer number (1032750).

Almost surely, 2^128373120 is an apocalyptic number.

128373120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128373120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264384000).

128373120 is an abundant number, since it is smaller than the sum of its proper divisors (400394880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128373120 is a wasteful number, since it uses less digits than its factorization.

128373120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 128373120 is about 11330.1862297140. The cubic root of 128373120 is about 504.4576342270.

It can be divided in two parts, 128 and 373120, that added together give a cube (373248 = 72³).

The spelling of 128373120 in words is "one hundred twenty-eight million, three hundred seventy-three thousand, one hundred twenty".